Number of 4Xn 0..1 arrays with every element equal to 0, 1, 3 or 4 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.
A302312
Number of 4Xn 0..1 arrays with every element equal to 0, 1, 3 or 4 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.
Terms
- a(0) =8a(1) =10a(2) =33a(3) =66a(4) =194a(5) =663a(6) =2048a(7) =5790a(8) =17761a(9) =58980a(10) =191180a(11) =596347a(12) =1907378a(13) =6288532a(14) =20577053a(15) =66405860a(16) =215990588a(17) =709815637a(18) =2327287890a(19) =7595046870a(20) =24844917677a(21) =81549601926a(22) =267490606860a(23) =876047158691
External references
- oeis: A302312